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13756089 = 34585363
BaseRepresentation
bin110100011110…
…011010111001
3221212212210210
4310132122321
512010143324
61210501333
7224632134
oct64363271
927785723
1013756089
117846176
124734849
132b083c9
141b8121b
15131ad29
hexd1e6b9

13756089 has 4 divisors (see below), whose sum is σ = 18341456. Its totient is φ = 9170724.

The previous prime is 13756081. The next prime is 13756091. The reversal of 13756089 is 98065731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98065731 = 332688577.

It is not a de Polignac number, because 13756089 - 23 = 13756081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13756081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2292679 + ... + 2292684.

It is an arithmetic number, because the mean of its divisors is an integer number (4585364).

Almost surely, 213756089 is an apocalyptic number.

It is an amenable number.

13756089 is a deficient number, since it is larger than the sum of its proper divisors (4585367).

13756089 is an equidigital number, since it uses as much as digits as its factorization.

13756089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4585366.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 13756089 is about 3708.9201932638. The cubic root of 13756089 is about 239.6063512168.

The spelling of 13756089 in words is "thirteen million, seven hundred fifty-six thousand, eighty-nine".

Divisors: 1 3 4585363 13756089